package com.zou.practice.sip.dubbo;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Dubbo SIP机制:@SPI、@Adaptive和@Activate
 *
 * @author zou
 */
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE})
public @interface SPI {
    /**
     * 默认属性
     *
     * @return 属性值
     */
    String value() default "";
}